The MIC2128 is a constant-frequency synchronous buck controllers featuring a unique adaptive ON-time control architecture. The MIC2128 operates over an input voltage range from 4.5V to 75V and can be used to supply load current up to 25A (Thermally Limited) . The output voltage is adjustable down to 0.6V with a guaranteed accuracy of ±1%. The device operates with programmable switching frequency from 270kHz to 800kHz.
Adjustable output voltage from 0.6V to 30V 270kHz to 800kHz programmable switching frequency Externally programmable soft start Enable input and power good output Built-in 5V regulator for single-supply operation Auxiliary bootstrap LDO Internal Bootstrap diode Programmable current limit and "hiccup" mode short-circuit protection
